A.True
B.False
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A.40
B.400
C.4000
D.40000
A.It is used for signaling on-hook and off-hook status
B.It carries CRC information for error detection
C.It is used for a control and performance information
D.It is used for a frame’s synchronization and alignment
A.The modem is commanded by the CMTS to set to the specific channel
B.The modem uses the default value in the broadcom chipset
C.The modem tuner sets a level as defined by the DOCSIS specification
D.The modem tuner scans the downstream spectrum until digital QAM modulated signal is encountered
A.VTP
B.802.1 q
C.CDP
D.Skinny Station Protocol
A.Latency remains the same， but throughput is decreased.
B.Latency remains the same， but error correction effectives may also be reduced.
C.Latency is increased， but faster error correction occurs.
D.Fewer ATM PVCs can be provisioned on DSL line.
最新試題
All secure domain routers （SDRs） have shared attribute and resources. Which three resources are sharedall SDRs？ （）
Which two statements about 10 Gigabit Ethernet （10GE） are true？（）
Which of the following is used to periodically multicast by DIS on a LAN to ensure IS-IS link state databaseaccuracy？（）
Which two requirements to deploy 6PE and 6VPE solutions are mandatory？（）
Which statement about the use of Route Target Rewrite is true？（）
Which three protocols use TLVs to carry attributes？（）
Assume that the PEs are separated by Multiple P routers.How many labels should the ingress PE push for BPE functionality？（）
Which option describes a benefits of IPv6 VPN Provider Edge？（）
In optical transmission systems， chirped lasers are used for the purpose of：（）.
Which configuration prevents traffic that is sourced from the unique local address scope to be sent out ofthe link to the upstream service provider？（）